Advanced Vessel Analysis Case Study

Dr. Jean Louis Sablayrolles
Centre Cardiologique du Nord
32-36 rue des Moulins Gémeaux
93200 Saint Denis
France

History

  • A 16 year old man with hypertension sign.
  • Ultrasound examination shows normal renal arteries.
  • CT Angio thoracic aorta study shows aorta coarctaction with collateral supply through intercostal & mammary arteries.
  • Stenosis measured with Advanced vessel analysis software give 40 mm length and 87% stenosis (diameters comparison)in the stenosis part.
  • Descending thoracic aorta diameters are 20 & 22 mm.


Click on the Images to enlarge

Volume Rendering MIP Lumen View
AVA Result AVA Result


Scanning Protocol:

Technical Parameters

  • Scan Type: Helical HQ mode
  • Scan rotation: 0.8 sec
  • Scan direction: caudo-cranial
  • Slice thickness: 2.5 mm
  • Prospective image interval: 1.2 mm
  • Scan FOV: 50 cm
  • Display FOV: 40 cm
  • kVp: 120
  • mA: 320
  • Recon type: Standard


Contrast Parameters

  • Preparation delay: Smartprep
  • Flow rate: 3.8 ml /sec
  • Total contrast Amount: 130 ml


SmartPrep is compatible with the following scanners/scanner series:

  • LightSpeed Series
  • HiSpeed CT/i
  • HiSpeed NX/i